Pearl River is a town in St. Tammany Parish, Louisiana, United States. The population was 2,432 at the 2010 census. It is part of the New Orleans–Metairie–Kenner Metropolitan Statistical Area.
Pearl River is located at 30°22′16″N 89°45′4″W / 30.37111°N 89.75111°W / 30.37111; -89.75111 (30.371096, -89.751139).
According to the United States Census Bureau, the town has a total area of 3.6 square miles (9.3 km), of which 3.5 square miles (9.0 km) is land and 0.1 square miles (0.2 km), or 2.27%, is water.
As of the census of 2000, there were 1,839 people, 708 households, and 513 families residing in the town. The population density was 737.7 people per square mile (285.2/km²). There were 788 housing units at an average density of 316.1 per square mile (122.2/km²). The racial makeup of the town was 95.38% White, 1.36% African American, 0.92% Native American, 0.49% Asian, 0.65% from other races, and 1.20% from two or more races. Hispanic or Latino of any race were 2.07% of the population.
There were 708 households out of which 32.9% had children under the age of 18 living with them, 56.9% were married couples living together, 11.6% had a female householder with no husband present, and 27.5% were non-families. 24.0% of all households were made up of individuals and 8.9% had someone living alone who was 65 years of age or older. The average household size was 2.60 and the average family size was 3.09.
In the town, the population was spread out with 25.8% under the age of 18, 8.6% from 18 to 24, 28.7% from 25 to 44, 25.2% from 45 to 64, and 11.7% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 95.4 males. For every 100 females age 18 and over, there were 91.7 males.
The median income for a household in the town was $31,296, and the median income for a family was $40,647. Males had a median income of $31,855 versus $19,637 for females. The per capita income for the town was $15,542. About 12.0% of families and 14.9% of the population were below the poverty line, including 19.4% of those under age 18 and 17.5% of those age 65 or over.